Innovative design: Consists of three parts, two frames and back cover. Each part is made of one block of aluminum materials. Feels comfortable and looks cool.Material: Made from aviation aluminum metal. Heat radiation faster, light weight, and extremely strong hard. Perfectly protect your device from accidental drop from your hand to damage and scratch.Assembly: Put your phone between frames and back cover，then please lock the screws on the four corners of the case , easy to assemble. Application: The case is size of 6.2inchX3.2inchX0.39inch, compatible with Sunsumg Galaxy S7 Edge. Conveniently touches all buttons/keys and screen on your device.